45719420 has 48 divisors (see below), whose sum is σ = 101837568. Its totient is φ = 17210880.

The previous prime is 45719419. The next prime is 45719431. The reversal of 45719420 is 2491754.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21944 + ... + 23936.

It is an arithmetic number, because the mean of its divisors is an integer number (2121616).

Almost surely, 2^45719420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45719420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50918784).

45719420 is an abundant number, since it is smaller than the sum of its proper divisors (56118148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45719420 is a wasteful number, since it uses less digits than its factorization.

45719420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 45719420 is about 6761.6137127168. The cubic root of 45719420 is about 357.5747997430.

The spelling of 45719420 in words is "forty-five million, seven hundred nineteen thousand, four hundred twenty".